Distribution and abundance of Least Bell's Vireos (Vireo bellii pusillus) and Southwestern Willow Flycatchers (Empidonax traillii extimus) at the Mojave River Dam, San Bernardino County, California--2021 data summary / by Scarlett L. Howell and Barbara E. Kus.
Publication Info.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2022.